World of Warcraft v4.0.1 to v4.0.1a UK Patch

* Using a "/cast!
* Mousing over objects that generate a cogwheel should no longer cause the client to freeze or disconnect.
* Guild Tabards should no longer display on characters not actually wearing the Guild Tabard.
* Floating combat text should always appear.
* NPC Health Bars/Nameplates are now appearing correctly.